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Gaussian gravitational constant

Gaussian gravitational constant   Quick reference

A Dictionary of Weights, Measures, and Units

Reference type:
Subject Reference
Current Version:
2004

...gravitational constant astronomy . Symbol k . 0.017 202 098 95, used in defining the astronomical unit of length from the mass of the Sun, using Kepler's third law and a day of 86 400 s, its dimensionality being such that k 2 has the dimensions of the Newtonian constant of gravitation . The Astronomical Almanac for the Year 2002 (Washington: US Government Printing Office and London: HMSO, 2001), also Explanatory Supplement to the Astronomical Almanac (Mill Valley, CA: University Science Books,...

astronomical day system

astronomical day system   Quick reference

A Dictionary of Weights, Measures, and Units

Reference type:
Subject Reference
Current Version:
2004

...selection of Gregorian dates are: JD 2 452 275.5 1 Jan 2002 JD 2 452 276.5 JD 2 452 640.5 1 Jan 2003 JD 2 452 641.5 JD 2 453 005.5 1 Jan 2004 JD 2 453 006.5 JD 2 453 371.5 1 Jan 2005 JD 2 453 372.5 To simplify reckoning, almanacs The Astronomical Almanac for the Year 2002 (Washington: US Government Printing Office and London: HMSO, 2001), also Explanatory Supplement to the Astronomical Almanac (Mill Valley, CA: University Science Books, 1994). cite 0-numbered days within calendars, e.g. 0 January 2003 , which ends at JD 2 452 640.5. Since all Julian dates...

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